org.apache.tomcat.jdbc.pool.interceptor.StatementCounterInterceptor Java Examples

The following examples show how to use org.apache.tomcat.jdbc.pool.interceptor.StatementCounterInterceptor. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: TestStatementCache.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up 
@Test
public void testStatementClose1() throws Exception {
    init();
    datasource.setJdbcInterceptors(
            TestStatementCacheInterceptor.class.getName()
            + "(prepared=true,callable=false,max=1);"
            + StatementCounterInterceptor.class.getName());
    Connection con = datasource.getConnection();
    StatementCounterInterceptor counter = findInterceptor(con, StatementCounterInterceptor.class);
    PreparedStatement ps1, ps2;

    ps1 = con.prepareStatement("select 1");
    Assert.assertEquals(1, counter.getActiveCount());
    ps1.close();
    Assert.assertEquals("Statement goes into cache, not closed", 1, counter.getActiveCount());

    ps1 = con.prepareStatement("select 1");
    Assert.assertEquals("Reusing statement from cache", 1, counter.getActiveCount());
    ps2 = con.prepareStatement("select 1");
    Assert.assertEquals("Reusing statement from cache", 2, counter.getActiveCount());

    ps2.close();
    Assert.assertEquals("Statement goes into cache, not closed", 2, counter.getActiveCount());
    ps1.close();
    // Cache has "max=1". The following tests BZ 54732.
    Assert.assertEquals("Statement does not go into cache, closed", 1, counter.getActiveCount());

    con.close();
    Assert.assertEquals("Connection returned to the pool. Statement is in cache", 1, counter.getActiveCount());

    datasource.close();
    Assert.assertEquals("Pool cleared. All statements in cache are closed", 0, counter.getActiveCount());
}
Example #2
Source File: TestStatementCache.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up 
@Test
public void testStatementClose2() throws Exception {
    init();
    datasource.setJdbcInterceptors(
            TestStatementCacheInterceptor.class.getName()
            + "(prepared=false,callable=false,max=10);"
            + StatementCounterInterceptor.class.getName());
    Connection con = datasource.getConnection();
    StatementCounterInterceptor counter = findInterceptor(con, StatementCounterInterceptor.class);
    PreparedStatement ps1 = con.prepareStatement("select 1");
    Assert.assertEquals(1, counter.getActiveCount());
    ps1.close();
    Assert.assertEquals("Statement is not pooled, closes immediately", 0, counter.getActiveCount());
}
Example #3
Source File: TestStatementCache.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up 
@Test
public void testStatementClose1() throws Exception {
    init();
    datasource.setJdbcInterceptors(
            TestStatementCacheInterceptor.class.getName()
            + "(prepared=true,callable=false,max=1);"
            + StatementCounterInterceptor.class.getName());
    Connection con = datasource.getConnection();
    StatementCounterInterceptor counter = findInterceptor(con, StatementCounterInterceptor.class);
    PreparedStatement ps1, ps2;

    ps1 = con.prepareStatement("select 1");
    Assert.assertEquals(1, counter.getActiveCount());
    ps1.close();
    Assert.assertEquals("Statement goes into cache, not closed", 1, counter.getActiveCount());

    ps1 = con.prepareStatement("select 1");
    Assert.assertEquals("Reusing statement from cache", 1, counter.getActiveCount());
    ps2 = con.prepareStatement("select 1");
    Assert.assertEquals("Reusing statement from cache", 2, counter.getActiveCount());

    ps2.close();
    Assert.assertEquals("Statement goes into cache, not closed", 2, counter.getActiveCount());
    ps1.close();
    // Cache has "max=1". The following tests BZ 54732.
    Assert.assertEquals("Statement does not go into cache, closed", 1, counter.getActiveCount());

    con.close();
    Assert.assertEquals("Connection returned to the pool. Statement is in cache", 1, counter.getActiveCount());

    datasource.close();
    Assert.assertEquals("Pool cleared. All statements in cache are closed", 0, counter.getActiveCount());
}
Example #4
Source File: TestStatementCache.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up 
@Test
public void testStatementClose2() throws Exception {
    init();
    datasource.setJdbcInterceptors(
            TestStatementCacheInterceptor.class.getName()
            + "(prepared=false,callable=false,max=10);"
            + StatementCounterInterceptor.class.getName());
    Connection con = datasource.getConnection();
    StatementCounterInterceptor counter = findInterceptor(con, StatementCounterInterceptor.class);
    PreparedStatement ps1 = con.prepareStatement("select 1");
    Assert.assertEquals(1, counter.getActiveCount());
    ps1.close();
    Assert.assertEquals("Statement is not pooled, closes immediately", 0, counter.getActiveCount());
}
Example #5
Source File: TestStatementCache.java    From tomcatsrc with Apache License 2.0 5 votes vote down vote up 
@Test
public void testStatementClose1() throws Exception {
    init();
    datasource.setJdbcInterceptors(
            TestStatementCacheInterceptor.class.getName()
            + "(prepared=true,callable=false,max=1);"
            + StatementCounterInterceptor.class.getName());
    Connection con = datasource.getConnection();
    StatementCounterInterceptor counter = findInterceptor(con, StatementCounterInterceptor.class);
    PreparedStatement ps1, ps2;

    ps1 = con.prepareStatement("select 1");
    Assert.assertEquals(1, counter.getActiveCount());
    ps1.close();
    Assert.assertEquals("Statement goes into cache, not closed", 1, counter.getActiveCount());

    ps1 = con.prepareStatement("select 1");
    Assert.assertEquals("Reusing statement from cache", 1, counter.getActiveCount());
    ps2 = con.prepareStatement("select 1");
    Assert.assertEquals("Reusing statement from cache", 2, counter.getActiveCount());

    ps2.close();
    Assert.assertEquals("Statement goes into cache, not closed", 2, counter.getActiveCount());
    ps1.close();
    // Cache has "max=1". The following tests BZ 54732.
    Assert.assertEquals("Statement does not go into cache, closed", 1, counter.getActiveCount());

    con.close();
    Assert.assertEquals("Connection returned to the pool. Statement is in cache", 1, counter.getActiveCount());

    datasource.close();
    Assert.assertEquals("Pool cleared. All statements in cache are closed", 0, counter.getActiveCount());
}
Example #6
Source File: TestStatementCache.java    From tomcatsrc with Apache License 2.0 5 votes vote down vote up 
@Test
public void testStatementClose2() throws Exception {
    init();
    datasource.setJdbcInterceptors(
            TestStatementCacheInterceptor.class.getName()
            + "(prepared=false,callable=false,max=10);"
            + StatementCounterInterceptor.class.getName());
    Connection con = datasource.getConnection();
    StatementCounterInterceptor counter = findInterceptor(con, StatementCounterInterceptor.class);
    PreparedStatement ps1 = con.prepareStatement("select 1");
    Assert.assertEquals(1, counter.getActiveCount());
    ps1.close();
    Assert.assertEquals("Statement is not pooled, closes immediately", 0, counter.getActiveCount());
}